A) elimination of waste from tissues and cells B) transportation of food, water and oxygen to tissues and cells C) transportation of nitrogen throughout the body D) elimination of carbon dioxide from tissues and cells
A) away from B) around C) toward D) all over
A) toward B) all over C) around D) away from
A) vein B) artery C) aorta D) capillary
A) platelets B) red blood cells C) white blood cells D) plasma
A) platelets B) white blood cells C) red blood cells D) plasma
A) platelets B) red blood cells C) plasma D) white blood cells
A) vena cava B) aorta C) ventricle D) atria
A) ventricle B) vena cava C) aorta D) atria
A) heart B) brain C) liver D) lungs
A) temperature regulation B) transport oxygen C) protect against infection D) storage of fat and calcium
A) respiratory system B) digestive system C) excretory system D) skeletal system
A) plasma B) ventricles C) valves D) atria
A) 4 pumps B) 1 pump C) 3 pumps D) 2 pumps
A) oxygen and hydrogen B) nitrogen and oxygen C) oxygen and carbon dioxide D) hydrogen and carbon dioxide |